Air cooling of automobiles



M. KLAVI K' AIR COOLING OF AUTOMOBILES April 30, 1940.-

' Filed Dec. 20, 1938 FIG. 1."

Patented Apr. 30, 1940 Q I I v UNITED STATES PATENT OFFICE AIR COOLING OF AUTOMOBILES Milos Klavik, Prague, Czechoslovakia Application December 20, 1938, Serial No. 246,918 In Czechoslovakia October 7, 1937 2 Claims. 180- 54) This application corresponds to the applica- A constructional. example of the invention -is tions of Zavody Ringhoffer-Tatra a. s., a Czechoshown in the accompanying drawing. slovakian body corporate, of Prague-Smichov, Figure 1 shows in perspective an engine cover Czechoslovakia, Nos. P. 6,336, which was filed with bent portions for the aspiration of air, and

in Czechoslovakia on October 7, 1937 and 28,769/ 38 Figure 2 shows a section through the edge of a l which was filed in Great Britain on October 4, bent portion. 1933- The rear part I of the body extends everywhere In automobiles having a streamline body and uniformly in the correct streamline form, The

rear engine, the air required for cooling the en-. cover 2 of the engine chamber adjoining said part gine is supplied most usually through slots pro- I has an edge 3 which is bent outwardly at suit- 10 vided between the actual body and the adjoining able places, so as to form pocket-like bent porcover of the engine chamber. These slots are tions 4 which gradually merge into the continuformed by setting k th wall of th body in ous surface of the cover. The edge of these bent Suitably Selected zones, either t the upper portions 4 is strengthened and rounded in such f or on both Sides; relatively to the general a manner as to possess a streamline cross-section form of the body and of the engine cover. An air Shown m Figure supply of such a kind, however, has the disadvan- I 01mm:

tage that during rapid travel the stream ofoair 1. In the air-cooling of automobiles with ent the rear and streamline body a cover for passes the slots wlthout entermg them, while 1n gme addition the internal useful space of the body the engme adlommg the body and pocket-Shaped t i t d bent portions in the cover where the cover ad- 15 res r joins the body, said bent portions projecting out- Accordmg to the f an ugdlsturbedi wardly and merging into the engine cover and Supply to the rear engme chamber 15 effected by forming for the cooling air over the top and sides forming at suitably Selected places of the cover of the vehicle, a plurality of channels to the en- 25 at the top or at the sides, at the edge where said gine cgmpartment. cover adjoins the wall of the actual body, bent 2. In the air cooling of automobiles withhengine DOrtiOrlS Which p oject outwardly and gradually at the rear and streamline body, a cover for the merge into the surface of the cover. Openings engine adjoining the body, outwardly projecting under the cover are thereby formed, into which pocket-shaped bent portions merging into the 30 the air is forced directly, but unnecessary eddying Cover Where the Cover adjoins the y, and of the air is prevented by t gradual merging. streamline portions and stream-lined strengtheninto the surface of the cover. For this purpose mg means 9 the o d edges of the pocketalso, the edges of these bent portions are not Shaped pomons' made sharp but of streamline cross-section. MILOs KLAViK. 

